1*4882a593SmuzhiyunWhat: /sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_offset 2*4882a593SmuzhiyunDate: January 2011 3*4882a593SmuzhiyunContact: Chuanxiao Dong <chuanxiao.dong@intel.com> 4*4882a593SmuzhiyunDescription: 5*4882a593Smuzhiyun Enhanced area is a new feature defined in eMMC4.4 standard. 6*4882a593Smuzhiyun eMMC4.4 or later card can support such feature. This kind of 7*4882a593Smuzhiyun area can help to improve the card performance. If the feature 8*4882a593Smuzhiyun is enabled, this attribute will indicate the start address of 9*4882a593Smuzhiyun enhanced data area. If not, this attribute will be -EINVAL. 10*4882a593Smuzhiyun Unit Byte. Format decimal. 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunWhat: /sys/devices/.../mmc_host/mmcX/mmcX:XXXX/enhanced_area_size 13*4882a593SmuzhiyunDate: January 2011 14*4882a593SmuzhiyunContact: Chuanxiao Dong <chuanxiao.dong@intel.com> 15*4882a593SmuzhiyunDescription: 16*4882a593Smuzhiyun Enhanced area is a new feature defined in eMMC4.4 standard. 17*4882a593Smuzhiyun eMMC4.4 or later card can support such feature. This kind of 18*4882a593Smuzhiyun area can help to improve the card performance. If the feature 19*4882a593Smuzhiyun is enabled, this attribute will indicate the size of enhanced 20*4882a593Smuzhiyun data area. If not, this attribute will be -EINVAL. 21*4882a593Smuzhiyun Unit KByte. Format decimal. 22